Results 161 to 170 of about 968,479 (311)

Expanding the Phenotypic Spectrum of TXNDC15‐Related Ciliopathies to Include Joubert Syndrome

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Biallelic loss‐of‐function variants in TXNDC15 are a known cause of the perinatally lethal ciliopathy Meckel syndrome (MKS). TXNDC15 encodes an endoplasmic reticulum (ER)‐resident thioredoxin‐domain protein required for ciliary transition zone integrity.
Zachary T. Sentell   +16 more
wiley   +1 more source

Systematic Review of Females With Intellectual Disability and MECP2 Duplication

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT MECP2 Duplication Syndrome (MDS) is a rare, X‐linked neurodevelopmental disorder typically affecting males. Females with MDS have been reported and are compiled here. We conducted a systematic review (PROSPERO CRD420250652426) of PubMed, EMBASE, and Google Scholar extracting individual participant data.
Paul Malik   +10 more
wiley   +1 more source

TTC21B: From Modifier to Causative Gene in Joubert Syndrome

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Biallelic pathogenic variants in TTC21B, encoding the retrograde intraflagellar transport protein IFT139, are a known cause of renal and skeletal ciliopathies. Single heterozygous variants in this gene were found to be enriched in a cohort of patients with various ciliopathy phenotypes, including three individuals with Joubert syndrome (JS), a
Valentina Serpieri   +5 more
wiley   +1 more source

Reframing Trisomy 13 and 18 Care: Moving Beyond the Myth of “Incompatibility With Life” in a South African and Low‐and Middle‐Income Country Context

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Trisomy 13 (T13) and trisomy 18 (T18) have historically been described as “lethal” or “incompatible with life,” contributing to diagnosis‐based limitations of care. Contemporary evidence demonstrates greater heterogeneity in survival and outcomes than previously recognized, including among selected children receiving intensive care or cardiac ...
H. L. Malherbe   +9 more
wiley   +1 more source

Biallelic PAX6 Variants in an Adult With Severe Microphthalmia and Preserved Intellectual Function

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT PAX6 encodes a dosage‐sensitive transcription factor that is essential for eye development. Heterozygous PAX6 disease is well characterized, but biallelic disease is extremely rare and has been associated with anophthalmia, severe brain malformations, and perinatal lethality.
Karl De Geer   +4 more
wiley   +1 more source

Recurrent Neurodevelopmental Disorder Associated With a Dominant‐Negative TOP2B H63Y Variant

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT We describe a 7 year‐old boy with severe neurodevelopmental disorder, medically‐refractory epileptic encephalopathy, hyperkinetic movement disorder, hypotonia, cerebral and cerebellar atrophy and hypomyelination who was found to have a heterozygous de novo TOP2B NM_001330700.2:c.187C>T, p.(His63Tyr) variant.
Zong Yi Ha   +6 more
wiley   +1 more source

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